Question

If x+y = -1 then what is x^3 + y^3  -3xy ?​

Answer 1

Answer:

A car travels 40km at a uniform speed of 50km/h and then the next 50km at a uniform speed of 40km/h. Find the average speed of the car

Step-by-step explanation:

A car travels 40km at a uniform speed of 50km/h and then the next 50km at a uniform speed of 40km/h. Find the average speed of the carA car travels 40km at a uniform speed of 50km/h and then the next 50km at a uniform speed of 40km/h. Find the average speed of the carA car travels 40km at a uniform speed of 50km/h and then the next 50km at a uniform speed of 40km/h. Find the average speed of the carA car travels 40km at a uniform speed of 50km/h and then the next 50km at a uniform speed of 40km/h. Find the average speed of the car